Add FirmaEC signature style and bump to 1.2.17

backend/src/modules/signing/signing.service.js

@@ -33,10 +33,30 @@ function truncate(text, font, size, maxWidth) {
 }
 
 function getSignatureWidth(style, signerName = '') {
-  if (style !== 'qr') return 200;
-  const normalizedName = String(signerName).trim();
-  const calculatedWidth = 78 + (normalizedName.length * 4.9);
-  return Math.max(170, Math.min(270, Math.round(calculatedWidth)));
+  if (style === 'qr' || style === 'firmaec') {
+    const normalizedName = String(signerName).trim();
+    const calculatedWidth = 78 + (normalizedName.length * 4.9);
+    return Math.max(170, Math.min(270, Math.round(calculatedWidth)));
+  }
+  return 200;
+}
+
+function wrapToLines(text, font, size, maxWidth, maxLines) {
+  const words = text.split(' ');
+  const lines = [];
+  let current = '';
+  for (const word of words) {
+    if (lines.length >= maxLines) break;
+    const test = current ? `${current} ${word}` : word;
+    if (font.widthOfTextAtSize(test, size) <= maxWidth) {
+      current = test;
+    } else {
+      if (current) lines.push(current);
+      current = truncate(word, font, size, maxWidth);
+    }
+  }
+  if (current && lines.length < maxLines) lines.push(current);
+  return lines;
 }
 
 function buildLocalizedSignatureTimestamp({ locale, timeZone } = {}) {
@@ -240,6 +260,60 @@ async function drawStyleImage(pdfDoc, page, sx, sy, sw, sh, { signerName, reason
   if (location) page.drawText(truncate(location, f2, 6, textW), { x: textX, y: sy + sh - 59, size: 6, font: f2, color: C.lightGray });
 }
 
+// ── Style: FIRMAEC (QR izquierda + texto monoespaciado estilo FirmaEC Ecuador) ─
+async function drawStyleFirmaEC(pdfDoc, page, sx, sy, sw, sh, { signerName, verificationUrl, qrPosition, qrBackground, qrBorder }) {
+  const fBold = await pdfDoc.embedFont(StandardFonts.CourierBold);
+  const fReg  = await pdfDoc.embedFont(StandardFonts.Courier);
+  const useSoftBackground = qrBackground === 'soft';
+  const useBorder = qrBorder === 'line';
+  const qrOnRight = qrPosition === 'right';
+
+  const qrContent = verificationUrl || [
+    'FIRMA DIGITAL VERIFICADA',
+    `Firmante: ${signerName}`,
+  ].join('\n');
+
+  const qrPng = await QRCode.toBuffer(qrContent, {
+    type: 'png',
+    width: 120,
+    margin: 1,
+    color: { dark: '#000000', light: '#ffffff' },
+  });
+  const qrImage = await pdfDoc.embedPng(qrPng);
+  const qrSize = Math.min(sh - 10, 50);
+
+  // Background
+  const bgColor = useSoftBackground ? C.bgBlue : C.white;
+  page.drawRectangle({ x: sx, y: sy, width: sw, height: sh, color: bgColor });
+  const borderColor = useBorder ? rgb(0.15, 0.15, 0.15) : rgb(0.70, 0.70, 0.72);
+  const borderWidth = useBorder ? 0.85 : 0.5;
+  page.drawRectangle({ x: sx, y: sy, width: sw, height: sh, borderColor, borderWidth });
+
+  // QR image
+  const qrX = qrOnRight ? sx + sw - qrSize - 4 : sx + 4;
+  const qrY = sy + (sh - qrSize) / 2;
+  page.drawImage(qrImage, { x: qrX, y: qrY, width: qrSize, height: qrSize });
+
+  // Vertical divider
+  const divX = qrOnRight ? qrX - 4 : sx + qrSize + 8;
+  page.drawLine({ start: { x: divX, y: sy + 6 }, end: { x: divX, y: sy + sh - 6 }, thickness: 0.5, color: rgb(0.55, 0.55, 0.58) });
+
+  // Text column
+  const textX = qrOnRight ? sx + 6 : divX + 5;
+  const textW  = sw - qrSize - 18;
+
+  page.drawText('Validar unicamente en FirmaEC.', { x: textX, y: sy + sh - 12, size: 6, font: fReg, color: rgb(0.12, 0.12, 0.14) });
+  page.drawText('Firmado electronicamente por:', { x: textX, y: sy + sh - 21, size: 6, font: fReg, color: rgb(0.12, 0.12, 0.14) });
+
+  // Name — bold, uppercase, word-wrapped up to 2 lines
+  const nameUpper = signerName.toUpperCase();
+  const nameSize  = 8.5;
+  const nameLines = wrapToLines(nameUpper, fBold, nameSize, textW, 2);
+  nameLines.forEach((line, i) => {
+    page.drawText(line, { x: textX, y: sy + sh - 34 - (i * 13), size: nameSize, font: fBold, color: rgb(0.05, 0.05, 0.07) });
+  });
+}
+
 // ── Main sign function ─────────────────────────────────────────────────────────
 const signPdf = async ({
   pdfPath, p12Buffer, p12Password,
@@ -300,6 +374,7 @@ const signPdf = async ({
   if      (style === 'qr')           await drawStyleQR(pdfDoc, tp, sx, sy, sw, sh, info);
   else if (style === 'professional') await drawStyleProfessional(pdfDoc, tp, sx, sy, sw, sh, info);
   else if (style === 'image')        await drawStyleImage(pdfDoc, tp, sx, sy, sw, sh, info);
+  else if (style === 'firmaec')      await drawStyleFirmaEC(pdfDoc, tp, sx, sy, sw, sh, info);
   else                               await drawStyleClassic(pdfDoc, tp, sx, sy, sw, sh, info);
 
   // ── Save page with visual stamp ───────────────────────────────────

backend/src/modules/users/users.service.js

@@ -1,6 +1,6 @@
 const usersRepository = require('./users.repository');
 
-const ALLOWED_SIGNATURE_STYLES = ['classic', 'qr', 'professional'];
+const ALLOWED_SIGNATURE_STYLES = ['classic', 'qr', 'professional', 'firmaec'];
 const ALLOWED_QR_POSITIONS = ['left', 'right'];
 const ALLOWED_QR_BACKGROUNDS = ['transparent', 'soft'];
 const ALLOWED_QR_BORDERS = ['none', 'line'];